Home / 7,503.30-11,231.33-5,149.53

Finding the Fourth Proportional to 7,503.30, 11,231.33 and 5,149.53

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Solution

The fourth proportional to 7,503.30, 11,231.33 and 5,149.53 is: 7,708.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,503.30 : 11,231.33 = 5,149.53 : x
  2. Step 2: Convert to fraction form
    7,503.30/11,231.33 = 5,149.53/x
  3. Step 3: Cross multiply
    7,503.30x = 11,231.33 × 5,149.53
  4. Step 4: Simplify right side
    7,503.30x = 57,836,070.77
  5. Step 5: Solve for x
    x = 57,836,070.77/7,503.30
  6. Step 6: Final answer
    x = 7,708.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.